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2112101201 = 72313118641
BaseRepresentation
bin111110111100100…
…0001101101010001
312110012021212011102
41331321001231101
513311144214301
6545325354145
7103224364310
oct17571015521
95405255142
102112101201
11994253991
124ab408955
13278766c32
1416071a277
15c5657b6b
hex7de41b51

2112101201 has 8 divisors (see below), whose sum is σ = 2518779264. Its totient is φ = 1731660480.

The previous prime is 2112101197. The next prime is 2112101203. The reversal of 2112101201 is 1021012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112101201 - 22 = 2112101197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6559160 + ... + 6559481.

It is an arithmetic number, because the mean of its divisors is an integer number (314847408).

Almost surely, 22112101201 is an apocalyptic number.

It is an amenable number.

2112101201 is a deficient number, since it is larger than the sum of its proper divisors (406678063).

2112101201 is a wasteful number, since it uses less digits than its factorization.

2112101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13118671.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112101201 is about 45957.6022111685. The cubic root of 2112101201 is about 1283.0342244540.

Adding to 2112101201 its reverse (1021012112), we get a palindrome (3133113313).

The spelling of 2112101201 in words is "two billion, one hundred twelve million, one hundred one thousand, two hundred one".

Divisors: 1 7 23 161 13118641 91830487 301728743 2112101201